And when the king came in to see the guests, he saw there a man who had not on a wedding garment:
All Commentaries on Matthew 22:11 Go To Matthew 22
John Chrysostom
AD 407
Since then they were not worthy, go ye, says He, into the highways, and as many as you shall find, bid; both the common sort, and the outcasts. For because He had said in every way, The harlots and publicans shall inherit heaven; and, The first shall be last, and the last first; He shows that justly do these things come to pass; which more than anything stung the Jews, and goaded them far more grievously than their overthrow, to see those from the Gentiles brought into their privileges, and into far greater than theirs.
Then in order that not even these should put confidence in their faith alone, He discourses unto them also concerning the judgment to be passed upon wicked actions; to them that have not yet believed, of coming unto Him by faith, and to them that have believed, of care with respect to their life. For the garment is life and practice.
And yet the calling was of grace; wherefore then does He take a strict account? Because although to be called and to be cleansed was of grace, yet, when called and clothed in clean garments, to continue keeping them so, this is of the diligence of them that are called.